| product description | Usage
Searchpoint Optima Plus is an advanced point infrared flammable gas detector approved for use in potentially explosive atmospheres.
Measurement Range
0–100% LEL, with calibration for a wide range of hydrocarbon gases and vapors. Alternative ranges and solvent calibrations are available for specialist applications.
Signal Output
4–20 mA automatically detected current source or sink.
Inhibit
1–3 mA (Default 2 mA)
Warning
0–6 mA (Default 3 mA)
Fault
0 mA (HART® units configurable up to 1 mA)
Over Range
20–21.5 mA (Default 21 mA)
Digital Output
Optional Multidrop Modbus RS485 (via DX100(M))
Optional HART® via 4–20 mA output (HART® version 7)
Material
316 Stainless Steel
Weight
1.6 kg
Accuracy
Optima Plus (Hydrocarbon): Initial < ±1% FSD, 50% FSD
Optima Plus (Ethylene): Initial < ±2% FSD, 50% FSD
Repeatability
< ±2% FSD at 50% FSD
Linearity
< 5% FSD
Response Time
T50 < 3 seconds, T90 < 4 seconds (methane)
Operational & Certified Temperature Range
-40°C to +65°C
Long-Term Stability (as defined in EN 60079-29-1)
Baseline
Methane 100% LEL Range: ≤ ±2 %FSD
Ethylene 100% LEL Range: ≤ ±4 %FSD
50% FSD
Methane 100% LEL Range: ≤ ±4 %FSD
Ethylene 100% LEL Range: ≤ ±5 %FSD
Deviation Across Temperature Range (-40°C to 65°C)
Baseline: ≤ ±2 %FSD
50% FSD
Methane 100% LEL Range: ≤ ±0.131 %FSD/°C
Ethylene 100% LEL Range: ≤ ±0.078 %FSD/°C
Pressure Variation
0.1% per mbar (of reading)
Power Supply
18–32 VDC (nominal 24 VDC), < 4.5 W max
Environmental Protection
IP66 / IP67
Diagnostics (and Recalibration)
Via certified handheld interrogator or optional HART® communication
Performance Approvals
CSA C22.2 152
FM ANSI/ISA-12.13.01
EN 60079-29-1 (BVS 03 ATEX G 016 X)
Functional Safety
IEC 61508 Safety Integrity Level 2
EMC Compliance
EN 50270:2006
EN 50271:2010 |
